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How to Fax a W-9 Form from iPhone

The W-9 is one of the most commonly faxed tax forms in the US — and TigerFax makes sending it from your iPhone fast and secure.

Never fax a W-9 without a confidentiality cover page — it contains your Social Security Number or EIN

What you'll need

  • iPhone or iPad running iOS 15 or later
  • TigerFax app (free on the App Store)
  • Your W-9 Form (physical copy to scan, or a PDF/image file)
  • The recipient's fax number
  • A cover page with confidentiality notice (recommended)

How to Fax a W-9 Form: Step-by-Step

  1. 1

    Open TigerFax

    Open TigerFax and tap the compose button

  2. 2

    Scan or upload your document

    Scan your W-9 with the camera or upload the PDF from Files

  3. 3

    Add a cover page

    Add a cover page with a confidentiality notice (recommended for tax documents)

  4. 4

    Enter the fax number

    Enter the recipient's fax number

  5. 5

    Review and send

    Review the document preview, then tap Send

Pro Tips for Faxing W-9 Forms

  • 1.Ensure all fields on the W-9 are filled in before scanning — blank fields may cause the recipient to request a resend
  • 2.Use a cover page marked 'Confidential' since W-9s contain your SSN or EIN
  • 3.Keep the fax confirmation as proof of delivery for your records

Secure transmission

TigerFax transmits all faxes over encrypted connections. Your documents are never stored on third-party servers after transmission.

Which iPhone Works Best for Faxing W-9 Forms?

TigerFax works on all iPhones running iOS 15 or later. Here are the best options for faxing W-9 Forms:

FAQ: Faxing W-9 Forms from iPhone

Yes. TigerFax transmits your W-9 Form over encrypted channels. Your document is never stored on third-party servers after transmission.

More tax faxing guides

TigerFax

Fax Your W-9 Free

Free to start · No credit card required · iOS only

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